CN103057547B - Method and device for detecting steel rope twisting faults of reciprocating cableways - Google Patents
Method and device for detecting steel rope twisting faults of reciprocating cableways Download PDFInfo
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- CN103057547B CN103057547B CN201210551598.4A CN201210551598A CN103057547B CN 103057547 B CN103057547 B CN 103057547B CN 201210551598 A CN201210551598 A CN 201210551598A CN 103057547 B CN103057547 B CN 103057547B
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Abstract
The invention discloses a method and a device for detecting steel rope twisting fault of reciprocating cableways. The device comprises a signal generating device and a signal receiving device, wherein the signal generating device comprises a first box body and the signal receiving device comprises a second box body. A first wire inlet and a first wire outlet are formed on a casing of the first box body and a signal generating processing circuit is arranged inside the first box body. A second wire inlet and a second wire outlet are formed on a casing of the second box body and a signal generating processing circuit is arranged inside the second box body. According to the method and the device for detecting steel rope twisting faults of reciprocating cableways, signal changes produced before and after steel ropes winding are used to judge whether a loading cable and a traction cable are wound, the reaction speed is high, the cost is low, the achievement is easy and the development prospect is great.
Description
Technical field
The present invention relates to a kind of reciprocating type cableway steel cable and be wound around fault detection method and device, whether detection carrier cable and pull line occur to be wound around fault and send parking alerting signal to control desk, belong to detection technique field.
Background technology
Cableway is as modern air communication transportation means, and advantages such as having complex-terrain strong adaptability, overcome earth bulging, hill climbing ability is large, is widely used in the multiple industries such as tourism, water power, mine, coal, forestry, agricultural, building, metallurgy.While providing convenience, cableway is also along with danger.As having an accident, people life property safety is by suffering heavy loss, very large to the influence on development of local economy and cableway.Therefore the safety detection for cableway proposes higher requirement.
Reciprocating type cableway uses many cable wires, and be wherein used as to support that two ropeway carrying-ropes of crane weight are motionless, pull line is then responsible for pulling crane.To affect by rough weather or other reasons affects, when cableway steel cable swings serious, cause trailing cable and ropeway carrying-rope to occur to be wound around fault, if parking can not be diagnosed in time, can cause that operation is out of control, rope is broken, shear major accidents such as even falling.Therefore the detection for reciprocating type cableway steel cable winding fault is absolutely necessary.
GB12352-2007 " passenger aerial ropeway safety standard " literary composition is about the regulation of lightning protection and grounding in electrical equipment: cableway station, line tower, uninsulated steel cable, mechanical equipment and all hard wares should direct ground connection.Also clear stipulaties in GB12141-2008 " freight aero tramway safety standard " literary composition: except communication rope, signal stay, other metal partss all answer ground connection.Abroad be wound around for two rope the device that detects and be not suitable for the situation of domestic steel cable ground connection, the domestic special detection device being wound around fault for two rope not yet occurs.
Summary of the invention
According to actual conditions domestic at present and requirement, the invention provides a kind of reciprocating type cableway steel cable and be wound around fault detection method and device, on the ropeway carrying-rope that can be connected to existing cableway easily and trailing cable, its signal generation gives plus signal, judge whether trailing cable and ropeway carrying-rope are wound around by the change detecting Received signal strength, and send parking alerting signal to cableway control desk.
Under the ropeway carrying-rope of existing reciprocating type cableway and the prerequisite at trailing cable one end ground connection or two ends, for achieving the above object, the present invention adopts following technical proposals:
A kind of reciprocating type cableway steel cable is wound around failure detector, comprises signal generation device and signal receiving device; Described signal generation device comprises the first casing, and the shell of the first casing is provided with the first incoming line and the first wire hole, and the inside of the first casing is provided with generation signal processing circuit; Described signal receiving device comprises the second casing, and the shell of the second casing is provided with the second incoming line and the second wire hole, and described box house is provided with receive signal processing circuit.
Described generation signal processing circuit comprises the first voltage conversion circuit, signal generating circuit, signal modulation circuit, power amplification circuit and signal output apparatus; The first described voltage conversion circuit flows to signal generating circuit, signal modulation circuit, power amplification circuit the voltage after conversion, and described signal generating circuit, signal modulation circuit, power amplification circuit, signal output apparatus are connected successively;
Described receive signal processing circuit comprises the second voltage conversion circuit, signal receiving circuit, signal filter circuit, modulation amplifying circuit, denoising circuit and micro controller system; The second described voltage conversion circuit flows to signal filter circuit, modulation amplifying circuit, denoising circuit and micro controller system the voltage after conversion, described be connected successively signal receiving circuit, signal filter circuit, modulation amplifying circuit, denoising circuit and micro controller system;
The first described voltage conversion circuit is connected with the first control desk by the first incoming line, and the output signal of described signal output apparatus is connected with cableway ropeway carrying-rope or trailing cable through the first wire hole, applies signal to cableway steel cable.
Described micro controller system is connected with the second control desk of cableway by the second incoming line with the second voltage conversion circuit, and described signal receiving circuit is connected with cableway ropeway carrying-rope or trailing cable through the second wire hole.
The method of inspection of described detecting device, is divided into three kinds of connection modes, and it comprises the signal generation device of detecting device and the different connection modes of signal receiving device, and end positions is interchangeable, as follows:
For the situation of cableway ropeway carrying-rope and trailing cable one end ground connection, described failure detector is all connected to one end of ground connection, signal generation device is applied on one section of steel cable of cableway control desk ropeway carrying-rope ground terminal, and signal receiving device is connected on one section of steel cable of cableway control desk trailing cable ground terminal; After detecting device work, when ropeway carrying-rope and trailing cable are not wound around generation, the signal receiving device on trailing cable does not receive signal; When occurring to be wound around fault, signal receiving device can receive signal, judges to send parking alerting signal to cableway control desk effectively.
For the situation of cableway ropeway carrying-rope and trailing cable two-terminal-grounding, on the ropeway carrying-rope that described failure detector is connected to ground connection two ends and trailing cable, signal generation device is applied on one section of steel cable of cableway control desk ropeway carrying-rope ground terminal, and signal receiving device is connected on one section of steel cable of other end cableway control desk trailing cable ground terminal; After failure detector work, when ropeway carrying-rope and trailing cable are not wound around generation, the signal receiving device on trailing cable can receive signal; When occurring to be wound around fault, the signal that signal receiving device receives reduces, and judges to send parking alerting signal to cableway control desk effectively.
For the situation of cableway ropeway carrying-rope and trailing cable two-terminal-grounding, described failure detector is connected respectively on the ropeway carrying-rope at ground connection two ends, signal generation device is applied on one section of steel cable of cableway control desk ropeway carrying-rope ground terminal, and signal receiving device is connected on one section of steel cable of other end cableway control desk ropeway carrying-rope ground terminal; After failure detector work, when ropeway carrying-rope and trailing cable are not wound around generation, the receiving end on trailing cable can receive signal; When occurring to be wound around fault, the signal that signal receiving device receives reduces, and judges to send parking alerting signal to cableway control desk effectively.
The modular circuit of described signal generation device and signal receiving device inside is one piece of PCB.
Beneficial effect of the present invention: the signal intensity that method of inspection of the present invention and device utilize steel cable to be wound around front and back realizes judging whether ropeway carrying-rope and trailing cable are wound around, speed of response is fast, and cost is lower, easily realizes, and has very large development prospect.The experiment proved that and can directly apply on existing cableway, do not affect existing control system and ropeway operation, this device is connected on the steel cable of cableway control end, facilitates signal to apply and signal extraction.Improve the safety performance of reciprocating type cableway further, effectively prevent in winding process because finding process not in time to steel cable wearing and tearing and destruction, reduce because steel cable is wound around accidents caused probability, decrease the labour intensity that the two rope of Traditional Man observation is wound around fault, fill up technique domestic blank.
Cableway control desk is connected to voltage conversion circuit for detecting device by incoming line and provides power supply.Signal generation device is crossed on steel cable that wire hole is connected to cableway control desk driven end and is applied signal, and signal receiving device is connected to pickoff signals on the steel cable of cableway control desk power end by wire hole.When trailing cable and ropeway carrying-rope occur to be wound around fault, the signal intensity received by distinguishing signal receiving device judges whether to occur be wound around fault and transmit the control desk of alerting signal to cableway control desk, reminds associative operation personnel stop in time and rush to repair.
Described reciprocating type cableway is wound around failure detector, is not only confined to be applied in reciprocating type cableway, and it is applicable to any many steel cables with ropeway carrying-rope and trailing cable for support and the cableway of traction method is wound around fault detection.
Described reciprocating type cableway is wound around fault detection method and the signal generation device of device and the method for attachment of signal receiving device, and namely axially get one section of steel cable at the ground terminal of steel cable, detecting device connects the two ends of this section of steel cable, wherein has one end to be ground connection.
Described signal receiving device is connected on the ropeway carrying-rope of cableway control desk power end, and not to be confined to cableway eminence be power end or lower is the situation of power end, is only used to facilitate picking up signal.In like manner signal generation device is applied to the driven end of cableway control desk is also like this.The method of attachment that two ends exchange is also contained within the present invention's protection.
Described voltage transformation module refers to that the 24V voltage transitions commonly used by cableway electric system becomes can for the voltage conversion circuit of the signal generation device of detecting device and signal receiving device circuit.
Accompanying drawing explanation
Fig. 1 is the structural representation of detecting device signal generation device of the present invention.
Fig. 2 is the structural representation of detecting device signal receiving device of the present invention.
Fig. 3 is the actual conditions schematic diagram of detecting device application method of inspection three of the present invention.
Fig. 4 is the Equivalent Distributed parametric circuit after detecting device of the present invention connects.
In figure: 1 first casing, 2 first control deskes, 3 first incoming lines, 4 first voltage conversion circuits, 5 signal generating circuits, 6 signal modulation circuits, 7 power amplification circuits, 8 signal output apparatus, 9 first wire holes, 10 second casings, 11 second wire holes, 12 second incoming lines, 13 the 3rd incoming lines, 14 second voltage conversion circuits, 15 signal receiving circuits, 16 signal filter circuits, 17 modulation amplifying circuits, 18 denoising circuit, 19 micro controller systems, 20 second control deskes, 21-1 ropeway carrying-rope, 22-1 trailing cable, 21-2 ropeway carrying-rope, 22-2 trailing cable, 23 cranes, 24 signal generation devices, 25 signal receiving devices.
Detailed description of the invention
Based on actual conditions domestic at present, namely trailing cable and ropeway carrying-rope must have the Compulsory Feature of one end ground connection at least, with the situation of ropeway carrying-rope and trailing cable two-terminal-grounding, describe the detailed description of the invention that apparatus of the present invention are connected on ropeway carrying-rope as follows:
A kind of reciprocating type cableway is wound around failure detector, is divided into signal generation device and signal receiving device two parts.Signal generation device as shown in Figure 1, it comprises the first casing 1, first casing 1 shell is provided with the first incoming line 3 and the first wire hole 9, inner containing the first voltage conversion circuit 4, signal generating circuit 5, signal modulation circuit 6, power amplification circuit 7 and signal output apparatus 8.Described signal generating circuit 5, signal modulation circuit 6, power amplification circuit 7, signal output apparatus 8 are connected successively; Cableway first control desk 2 is connected to the first voltage conversion circuit 4 for each circuit in signal generation device by the first incoming line 3 and provides power supply, and signal output apparatus 8 is connected on cableway ropeway carrying-rope steel cable by the first line outlet 9 and applies signal.
Signal receiving device as shown in Figure 2, it comprises the second casing 10, second casing 10 shell is provided with the second wire hole 11, second incoming line 12, 3rd incoming line 13, inside is provided with the second voltage conversion circuit 14, signal receiving circuit 15, filter circuit 16, modulation amplifying circuit 17, remove Noise Circuits 18 and micro controller system 19, cableway second control desk 20 is connected to the second voltage conversion circuit 14 for each circuit in signal receiving device by the second incoming line 3 and provides power supply, signal receiving circuit 15 is connected to pickoff signals on cableway steel cable by the second line outlet 11, cableway second control desk 20 is exported to after judging useful signal by micro controller system 19 detecting signal after signal transacting.
This detecting device is applied to the situation of reciprocating type cableway two ends common ground, and as shown in Figure 3, all corresponding grounding resistance of every bar cable wire, ropeway carrying-rope 21-1, trailing cable 22-1, trailing cable 22-2 and ropeway carrying-rope 21-2, two ends add grounding resistance R
1, R
2, R
3, R
4, R
5, R
6.Trailing cable 22-1 and trailing cable 22-2 is a closed steel cable circle, therefore the rotary pulley wheel shaft ground connection of the power end of cableway first control desk 2 and the driven end of the second control desk 20.Between cableway first control desk 2 and the second control desk 20, erection has ropeway carrying-rope 21-1 and ropeway carrying-rope 21-2, trailing cable 22-1 and trailing cable 22-2 is a closed steel cable, be wrapped on the pulley of two control deskes, power end is erected in the first control desk 2 and pulls trailing cable to run, driven end is in the second control desk 20, and whole trailing cable drives crane 23 back and forth to run.
Concrete enforcement is wound up as example with ropeway carrying-rope 21-1 and trailing cable 22-1, and as in Fig. 3, the steel cable impedance of getting length L near first control desk 2 one end of ropeway carrying-rope 21-1 is X
1, at X
1two ends are applied with the signal generation device 24 of detecting device, are X in the steel cable impedance of getting length l near second control desk 20 one end of ropeway carrying-rope 21-1
n, at X
ntwo ends are applied with the signal receiving device 25 of detecting device.When ropeway carrying-rope 21-1 and trailing cable 22-1 is without winding, by the grounding resistance R of ropeway carrying-rope 21-1, trailing cable 22-1 and correspondence
1, R
2, R
3, R
4the circuit equivalent of composition becomes distributed constant circuit, by X
1, R
1, R
2equivalent impedance be considered as signal and produce the internal resistance Z in source
1, X
n, R
3, R
4equivalent impedance be equivalent to the resistance Z of signal receiving device
2if the impedance of trailing cable 22-1 is Y, signal produces the Z in source
1both end voltage is V
0, to the further equivalence of this distributed constant circuit as shown in Figure 4, the voltage V of picking up signal
2(i.e. the voltage of signal receiving device) can regard the loop of whole ropeway carrying-rope 21-1 and trailing cable 22-1 composition as at Z
2dividing potential drop gained.
When ropeway carrying-rope 21-1 and trailing cable 22-1 occurs to be wound around, the position occurring to be wound around due to steel cable on cableway is different, and its equivalent circuit is also different.If the origination point Q place on ropeway carrying-rope 21-1 be wound around, has its equivalent resistance of contact resistance to be Z between ropeway carrying-rope 21-1 and trailing cable 22-1
q, and Z
qoriginal C/LOOP is made to become 2 C/LOOPs, picking up signal voltage V
2' numerical value can regard Z as
qpressure drop U
qat Z
2dividing potential drop gained, wherein U
qwill much smaller than V
0, V
2' will much smaller than V
2.Namely when ropeway carrying-rope 21-1 and trailing cable 22-1 occurs to be wound around, the pickoff signals of signal receiving device 25 there occurs obvious decay, the signal that pickoff signals during winding will receive much smaller than receiving device 25 when not occurring to be wound around.Long L and l of steel cable that above-mentioned signal produces end and signal receiving end does not fix, and can select according to the effect of concrete practical application.The signal received judges whether effectively by micro controller system detecting signal after signal transacting and noise remove, gives and sends parking alerting signal to cableway control system, remind associative operation personnel stop in time and rush to repair.Ropeway carrying-rope 21-2 is consistent with above-mentioned with the embodiment of trailing cable 22-2.
Described signal generation device 24 and the connection of signal receiving device 25, namely axially get one section of steel cable at the ground terminal of steel cable, detecting device connects the two ends of this section of steel cable by wire hole.The steel cable length of taking out is determined according to practical situations.
Described signal generation device 24 is connected on the ropeway carrying-rope 21-1 of cableway first control desk 2 power end, and not to be confined to cableway eminence be power end or lower is the situation of power end, is only used to facilitate picking up signal.In like manner signal generation device 24 is applied to the driven end of cableway second control desk 20 is also like this.The method of attachment that two ends exchange is also contained within the present invention's protection.
It is more than the detailed description of the invention that cableway steel cable is wound around that failure detector is applied to method of inspection three, the principle of other two kinds of method implementation is substantially identical, but because trailing cable runs, the conduction that trailing cable need adopt spring to connect upper and lower multiple conducting pulley during bringing device realizes on the trailing cable steel cable of motion connects, and the pulling force of spring guarantees that multiple pulley runs along with trailing cable and slides on steel cable and keep close contact.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on technical scheme basis of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within scope.
Claims (6)
1. reciprocating type cableway steel cable is wound around a failure detector, comprises signal generation device and signal receiving device; It is characterized in that: described signal generation device comprises the first casing, the shell of the first casing is provided with the first incoming line and the first wire hole, and the inside of the first casing is provided with generation signal processing circuit; Described signal receiving device comprises the second casing, and the shell of the second casing is provided with the second incoming line and the second wire hole, and the second described box house is provided with receive signal processing circuit;
Described generation signal processing circuit comprises the first voltage conversion circuit, signal generating circuit, signal modulation circuit, power amplification circuit and signal output apparatus; The first described voltage conversion circuit flows to signal generating circuit, signal modulation circuit, power amplification circuit the voltage after conversion, and described signal generating circuit, signal modulation circuit, power amplification circuit, signal output apparatus are connected successively;
Described receive signal processing circuit comprises the second voltage conversion circuit, signal receiving circuit, signal filter circuit, modulation amplifying circuit, denoising circuit and micro controller system; The second described voltage conversion circuit flows to signal filter circuit, modulation amplifying circuit, denoising circuit and micro controller system the voltage after conversion, and described signal receiving circuit, signal filter circuit, modulation amplifying circuit, denoising circuit are connected successively with micro controller system.
2. failure detector as claimed in claim 1, it is characterized in that: the first described voltage conversion circuit is connected with the first control desk by the first incoming line, the output signal of described signal output apparatus is connected with cableway ropeway carrying-rope or trailing cable through the first wire hole.
3. failure detector as claimed in claim 1, it is characterized in that: described micro controller system is connected with the second control desk of cableway by the second incoming line with the second voltage conversion circuit, and described signal receiving circuit is connected with cableway ropeway carrying-rope or trailing cable through the second wire hole.
4. the method for inspection of failure detector as claimed in claim 1, is characterized in that:
For the situation of cableway ropeway carrying-rope and trailing cable one end ground connection, the signal generation device of described failure detector and signal receiving device are all connected to one end of ground connection, signal generation device is applied on one section of steel cable of cableway control desk ropeway carrying-rope ground terminal, and signal receiving device is connected on one section of steel cable of cableway control desk trailing cable ground terminal; After detecting device work, when ropeway carrying-rope and trailing cable are not wound around generation, the signal receiving device on trailing cable does not receive signal; When occurring to be wound around fault, signal receiving device can receive signal, judges to send parking alerting signal to cableway control desk effectively.
5. the method for inspection of failure detector as claimed in claim 1, is characterized in that:
For the situation of cableway ropeway carrying-rope and trailing cable two-terminal-grounding, on the ropeway carrying-rope that the signal generation device of described failure detector and signal receiving device are connected to ground connection two ends and trailing cable, signal generation device is applied on one section of steel cable of cableway control desk ropeway carrying-rope ground terminal, and signal receiving device is connected on one section of steel cable of other end cableway control desk trailing cable ground terminal; After failure detector work, when ropeway carrying-rope and trailing cable are not wound around generation, the signal receiving device on trailing cable can receive signal; When occurring to be wound around fault, the signal that signal receiving device receives reduces, and judges to send parking alerting signal to cableway control desk effectively.
6. the method for inspection of failure detector as claimed in claim 1, is characterized in that:
For the situation of cableway ropeway carrying-rope and trailing cable two-terminal-grounding, the signal generation device of described failure detector and signal receiving device are connected respectively on the ropeway carrying-rope at ground connection two ends, signal generation device is applied on one section of steel cable of cableway control desk ropeway carrying-rope ground terminal, and signal receiving device is connected on one section of steel cable of other end cableway control desk ropeway carrying-rope ground terminal; After failure detector work, when ropeway carrying-rope and trailing cable are not wound around generation, the signal receiving device on trailing cable can receive signal; When occurring to be wound around fault, the signal that signal receiving device receives reduces, and judges to send parking alerting signal to cableway control desk effectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210551598.4A CN103057547B (en) | 2012-12-19 | 2012-12-19 | Method and device for detecting steel rope twisting faults of reciprocating cableways |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210551598.4A CN103057547B (en) | 2012-12-19 | 2012-12-19 | Method and device for detecting steel rope twisting faults of reciprocating cableways |
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| Publication Number | Publication Date |
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| CN103057547A CN103057547A (en) | 2013-04-24 |
| CN103057547B true CN103057547B (en) | 2015-06-03 |
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| CN201210551598.4A Expired - Fee Related CN103057547B (en) | 2012-12-19 | 2012-12-19 | Method and device for detecting steel rope twisting faults of reciprocating cableways |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770791B (en) * | 2014-02-11 | 2016-04-27 | 中国矿业大学 | A kind of carrier cable is wound around castigates monitoring device |
| CN105539514B (en) * | 2015-12-02 | 2017-03-29 | 山东省科学院自动化研究所 | A kind of antiwind system and method for passenger ropeway steel wire rope |
| CN110160762B (en) * | 2019-05-30 | 2021-02-05 | 杭州友邦演艺设备有限公司 | Theater steel wire winding detection method |
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